PHYSICAL QUANTITIY

What is the meaning of measurement ?

This figure shows Encik Fendi taking a measurement of Wei Li.

(a) State the measured physical quantity and the symbol of the physical quantity

From figure in question 2,

What is the measured base unit and symbol of the unit ?

From figure in question 2,

What is the magnitude of the physical quantity ?

What is the difference between scalar quantity and vector quantity?

Which of this is a scalar quantity ?

• Velocity

• Distance

• Acceleration

• Displacement

The speed of light in water is 200 Mms^-1 . What is the speed in ms^-1 ?

• 2.00 x 10⁶ ms^-1

• 2.00 x 10⁸ ms^-1

• 2.00 x 10⁹ ms^-1

• 2.00 x 10¹¹ ms^-1